Dating

How do I apologize?

So today has been a shit show for me. My friend and I live together and sleep in the same bed because we were dating at one point. But anyway we stayed up watching a good show and went to bed at 5 in the morning because she had to work at three. And we woke up and she freaked the fuck out screaming get the fuck up im late for work by two hours and she had a mental break down and said what am I gonna do and its your fault for not waking me up and I told her get dressed and ill get you to work. So I did but my question is how do I make it up to her because I know when she gets home she's gonna rip me a new ass hole and hold it against me so what do I do to make it up to her so she gets it was an accident and shit happens?

How do I apologize?
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